Survey Identifier: DSDP60GC


Format Acronym: MGD77
Data Center File Number: 15050059
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800703
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HUSSONG D.,UYEDE S.
Project: DEEPSEA DRILL.LG 60 <NSF>
Survey Departure Date (yyyymmdd): 19780321
Port of Departure: APRA,GUAM
Survey Arrival Date (yyyymmdd): 19780515
Port of Arrival: APRA,GUAM
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/EDO 550A RECORDERS/WIDE BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: GEOMETRICS MAGNETOMETER MOD G-801/3
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO 550 REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +19
Bottommost Latitude: +13
Leftmost Longitude: +143
Rightmost Longitude: +151
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 7043

Min/Max Data Record:
Date: 1978 03 21
Latitude: +13.18060
Longitude: +143.64540
Bathymetry, 2- Way Traveltime: 002800
Bathymetry, Corrected Depth: 215.0
Magnetics Total Field, 1st Sensor: 352840
Magnetics Residual Field: -04640

Min/Max Data Record:
Date: 1978 05 14
Latitude: +18.20310
Longitude: +150.38370
Bathymetry, 2- Way Traveltime: 118700
Bathymetry, Corrected Depth: 9134.0
Magnetics Total Field, 1st Sensor: 374180
Magnetics Residual Field: +05610